100730826 has 48 divisors (see below), whose sum is σ = 250099200. Its totient is φ = 28702944.

The previous prime is 100730821. The next prime is 100730849. The reversal of 100730826 is 628037001.

It is a self number, because there is not a number n which added to its sum of digits gives 100730826.

It is not an unprimeable number, because it can be changed into a prime (100730821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59520 + ... + 61188.

It is an arithmetic number, because the mean of its divisors is an integer number (5210400).

Almost surely, 2^100730826 is an apocalyptic number.

100730826 is an abundant number, since it is smaller than the sum of its proper divisors (149368374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100730826 is a wasteful number, since it uses less digits than its factorization.

100730826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163 (or 2160 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 100730826 is about 10036.4747795229. The cubic root of 100730826 is about 465.2868711986.

Adding to 100730826 its reverse (628037001), we get a palindrome (728767827).

The spelling of 100730826 in words is "one hundred million, seven hundred thirty thousand, eight hundred twenty-six".